What is the difference between MV and PV What is the difference between PV SV MV?

1. PV refers to the actual measured value, which refers to the limitations of the sensitivity and resolution of the experimental instrument, the instability of the surrounding environment and other factors, the true value to be measured is impossible to measure, and there will always be more or less deviation between the measurement results and the measured true value.

2. SV refers to the meaning of the set value, that is, in the automatic control system, when a certain physical quantity reaches a certain value, a certain action will occur.

3. MV refers to the opening of the actuator, which is powered by electric energy, compressed air or pressure oil, outputs the angle or linear displacement corresponding to the control signal, and pushes the adjusting mechanism with a certain torque or thrust to complete the control requirements of the production process parameters.

SV: Set the band and sum value, PV: Measured value, Zhisou MV: valve opening.

Positive effect: PV >SV need MV to increase MV is positive; Reaction: PV >SV requires MV to be reduced, which is reaction.

1. Different definitions:

PV: It is the abbreviation of MV (Music Video) in Japan, which is commonly called Promotion Video, which mainly refers to the video works produced when the popular music is published.

MV: That is, ** short film (music video), refers to the short film that is paired with ** (usually mostly songs).

Second, the use is different:

PV: Mess around.

PV is a kind of synchronous promotional video produced at the time of release, which is a kind of multi-** work, and is now mostly used in the ACG field. At present, most of the networks such as vocaloid are in the form of PV.

MV: The role of MV is mainly to be used as a promotional record.

3. MTV (Music Television):

MTV is the world's largest ** TV network, in order to create a separate TV network of **** video tape (MV), and MV is the abbreviation of Music Video (** videotape), which is the **TV we usually see. The MTV mentioned in general should never be equated with the MV.

ep:1.**Sample.

There is a slight difference between EP and CD, the amount of tracks contained in each EP is less than that of CD, generally there are about 1-3 songs, and the maximum number of songs will not exceed 5, and the price is lower than that of ordinary CDs.

3.Thin dish (MCD EP).

PV: PV is incomplete MV and has some narration, such as: when.

release, what.

CD name, etc. As.

zard.

cdreleased

date, the whole song Shaojie. Wait. pv

Songs are usually excerpted.

The best part of the video is used for promotional purposes, so it will not be complete.

MV: MV is Music

Video, is the meaning of ****, not much difference, in the past in MTV basically on TV**, but now it can also be on the computer network**, and the word ** is basically applied on the computer, so it is also called MV

MTV: MTV's explanation is:

MusicTV, which can literally translate to **TV.